The sexual act when man, woman or other performs cunnilingus on two female lovers. The two receiving females lay cheesebox to cheesebox, and the giving participant wedges their face into the dangerzone. The giver motions their tongue over both va jay jays, as if their tongue were a paint brush that were being used to whitewash a fence.

Kevin Smith occasion likes to visit his local convent to arrange a private whitewashing with nuns.